#header {
    background-color:black;
    color:000000;
    text-align:center;
    padding:5px;
	height:60px;
}

#nav {
    line-height:30px;
    background-color:#eeeeee;
    width:300px;
    float:left;
    padding:5px; 
	height: calc(100% - 80px);
}

#section {
    width:calc(100% - 330px);
    float:left;
    padding:10px; 
	height: calc(100% - 90px);
}
